- lesser long-nosed bat
Leptonycteris yerbabuenae
- snowshoe hare
Lepus americanus
- European hare
Lepus europaeus
- mountain hare
Lepus timidus
- Patagonian opossum
Lestodelphys halli
- Liberian mongoose
Liberiictis kuhni
- Salvin's spiny pocket mouse
Liomys salvini
- gerenuk
Litocranius walleri
- crabeater seal
Lobodon carcinophaga
- crested rat
Lophiomys imhausi
- gray-cheeked mangabey
Lophocebus albigena
- slender loris
Loris tardigradus
- European otter
Lutra lutra